Question: Who was the head of government of Montreuil in 1971?
Paraphrase: Who governed in Montreuil in 1971?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q193370 p:P6 ?s . ?s ps:P6 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1971')) }